Written by attorney Anthony B Claiborne | Mar 6, 2019

Do Not Rely on a "Poor Man's Patent".

The popular notion that an inventor can protect patenting priority by sealing and mailing a description of the invention is false. Instead, use a provisional patent application as an inexpensive way to preserve priority.

Additional resources provided by the author

See the United States Patent and Trademark Office guide to provisional patent applications.

Rate this guide

Can’t find what you’re looking for?

Post a free question on our public forum.

Ask a Question

- or -

Search for lawyers by reviews and ratings.

Find a Lawyer